28338741 has 20 divisors (see below), whose sum is σ = 42522304. Its totient is φ = 18808200.

The previous prime is 28338733. The next prime is 28338787. The reversal of 28338741 is 14783382.

It is not a de Polignac number, because 28338741 - 2³ = 28338733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28338696 and 28338705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28338701) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21306 + ... + 22596.

Almost surely, 2^28338741 is an apocalyptic number.

It is an amenable number.

28338741 is a deficient number, since it is larger than the sum of its proper divisors (14183563).

28338741 is a wasteful number, since it uses less digits than its factorization.

28338741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1565 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 28338741 is about 5323.4144118225. The cubic root of 28338741 is about 304.8785362443.

The spelling of 28338741 in words is "twenty-eight million, three hundred thirty-eight thousand, seven hundred forty-one".